Meaning & use
Demarc
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In telecommunications, the point at which a public network (such as a phone or internet provider's line) ends and a customer's private wiring begins; short for "demarcation point."
See it in a sentence
The technician traced the outage back to a faulty connection at the demarc.
Building owners are usually responsible for wiring beyond the demarc.
A note on using this word
Common industry jargon in telecom and networking; rarely used outside technical contexts.
Words with a similar meaning
demarcation point
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